40101193 has 4 divisors (see below), whose sum is σ = 43746768. Its totient is φ = 36455620.

The previous prime is 40101169. The next prime is 40101251. The reversal of 40101193 is 39110104.

It is a happy number.

40101193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40101193 - 2⁵ = 40101161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40101193.

It is not an unprimeable number, because it can be changed into a prime (40101493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822771 + ... + 1822792.

It is an arithmetic number, because the mean of its divisors is an integer number (10936692).

Almost surely, 2^40101193 is an apocalyptic number.

It is an amenable number.

40101193 is a deficient number, since it is larger than the sum of its proper divisors (3645575).

40101193 is a wasteful number, since it uses less digits than its factorization.

40101193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645574.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 40101193 is about 6332.5502761526. The cubic root of 40101193 is about 342.2833424727.

Adding to 40101193 its reverse (39110104), we get a palindrome (79211297).

It can be divided in two parts, 401011 and 93, that added together give a palindrome (401104).

The spelling of 40101193 in words is "forty million, one hundred one thousand, one hundred ninety-three".